tiotropium
noun
ti·o·tro·pi·um
| \ ˌtī-ō-ˈtrō-pē-əm
\
\
variants:
or tiotropium bromide
Medical Definition of tiotropium
: an anticholinergic drug administered by oral inhalation in the form of its bromide C19H22NO4S2Br·H2O as a bronchodilator in the treatment of chronic obstructive pulmonary disease
Tiotropium is a once-daily, inhaled anticholinergic drug that provides at least 24-hour improvements in airflow and hyperinflation in patients with COPD.— Donald P. Tashkin et al., The New England Journal of Medicine, 9 Oct. 2008
Note: Tiotropium is marketed under the trademark Spiriva.